搜索结果: 1-15 共查到“有色金属及其合金 microstructure”相关记录30条 . 查询时间(0.064 秒)
Cooling rate influence on microstructure of the Zn-Al cast alloy
Metallic alloys Derivative thermo analysis Zn-Al alloy Microstructure
2010/5/1
Properties of cast zinc alloys are comparable to these of aluminium alloys. Differences are connected to a lower melting temperature and bigger density. Zinc has a density of 7.14g/cm3, melting temper...
Derivative thermo-analysis application to assess the cooling rate influence on the microstructure of Al-Si alloy cast
thermo-analysis assess cooling rate microstructure Al-Si alloy cast
2010/2/12
Copper and magnesium addition enable to perform precipitation hardening of the multicomponent aluminium alloys with silicon, by precipitation of the Al2Cu or Mg2Si phase particles. However copper addi...
The influence of initial plastic deformation on microstructure and hot plasticity of α+β titanium alloys
Titanium alloys Thermomechanical process Hot deformation Heat treatment β-solution
2010/2/2
Two phase titanium alloys most often are hot deformed, mainly by open die or die forging. Achievement of desired mechanical properties is related to development of proper microstructure in plastic wor...
The effect of (γ → α′) phase transformation on microstructure and properties of austenitic Cr-Ni steels
Austenitic Cr-Ni steel Plastic deformation Induced martensite Structural and mechanical behaviour Magnetic measurements
2010/2/2
Metals and their alloys, mainly steels, belong to the most ecological and future constructional materials. The large demand for steel products is especially distinct in various industrial branches. Th...
Microstructure and properties of α + β brass after ECAP processing
ECAP Severe plastic deformation Ultra-fine grained materials
2010/1/11
Purpose of this paper is to determine the effect of Equal Channel Angular Pressing (ECAP) processing on the microstructure and hardness of α+β brasses. The effect of deformation temperature an...
Microstructure analysis of the modified casting magnesium alloys after heat and laser treatment
Magnesium alloys Heat treatment Laser treatment
2009/12/14
Purpose: In this paper there is presented the structure of the modeling cast magnesium alloy EN-MCMgAl6Zn1 as cast state, after heat treatment and laser treatment.
Design/methodology/approach: The pr...
The influence of the heat treatment on the microstructure and properties of Mg-Al-Zn based alloys
Heat Treatment Metallography Magnesium alloys
2009/12/3
Purpose: In the following paper there have been the structure and properties of the MCMgAl12Zn1, MCMgAl9Zn1, MCMgAl6Zn1, MCMgAl3Zn1 magnesium cast alloy as-cast state and after a heat treatment presen...
Microstructure, mechanical and electrical properties of Ni-YSZ anode supported solid oxide fuel cells
Composites Powder metallurgy Sintering Mechanical and electrical properties
2009/12/2
Purpose: Investigation of the Ni-YSZ cermets for anode supported solid oxide fuel cells (SOFC) prepared by
uniaxial pressure, sintered and reduced pellets of NiO-YSZ.
Design/methodology/approach: De...
The influence of Nd and Ho addition on the microstructure of Mg-7Al alloy
Mg-Al-RE alloys Casting Heat treatment Microstructure
2009/12/2
Purpose: of this paper was to examine effect of Nd and Ho on the microstructure of as-cast and solid-treated
Mg-7Al alloy, and to study the response to ageing by hardness changes measurements of in...
The influence of age hardening on the microstructure of GA8 magnesium alloy
Metallic alloys Heat treatment GA8 magnesium alloy
2009/12/1
Purpose: GA8 magnesium alloy is a general purpose gravity sand casting alloy containing aluminum, zinc and
manganese. Typically, it is used in aerospace, automotive or commercial casting application...
Possibilities of mechanical properties and microstructure improvement of magnesium alloys
Magnesium alloys Rolling Torsion test
2009/12/1
Purpose: Magnesium alloys are the very progressive materials whereon is due to improve their end-use
properties, which . Especially, wrought Mg alloys attract attention since they have more advantage...
Microstructure evolution of CP titanium during high temperature deformation
Superplastic materials Titanium Dynamic recrystallization Electron Back Scattered Diffraction
2009/12/1
Purpose: To investigate the superplasticity of commercially pure titanium alloy and microstructure evolution of
the alloy during high temperature deformation.
Design/methodology/approach: Uniaxial t...
Influence of solidification rate on microstructure of gravity cast AZ91 magnesium alloy
AZ91 magnesium alloy gravity casting ATD microstructure
2009/7/7
Derivative thermal (ATD) and microstructure analyses of gravity cast AZ91 magnesium alloy are presented. The alloy was cast into cold steel and sand moulds with the same dimensions. ATD curves–solidif...
Assessment of aluminium and silicon influence on strength properties and a microstructure of nickel brasses
Nickel brasses Mechanical properties Microstructure
2008/7/25
An influence of aluminum and silicon on strength properties and a microstructure of nickel brasses was investigated.
Microstructure evolution and mechanical behavior ofAZ31 Mg alloy processed by equal-channel angular pressing
AZ31 Mg alloy equal-channel angular pressing(ECAP) superplasticity microstructure
2008/7/21
AZ31 Mg alloy bar was subjected to 8-pass equal-channel angular pressing(ECAP) at 623 K. Microstructure evolution was observed by optical microscopy(OM) on cross section and X-ray diffraction analysis...